(5) diphthongs

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(5) diphthongs

  1. 1. Diphthong Presentation FormatTranscriptionPronunciationDIPHTHONGShttp://www.slideshare.net/Andriyanieka12
  2. 2. What is a diphthong? “Diphthong is a vowel sound in which the tonguechanges position to produce the sound of twovowels”.(Cambridge Advanced Learner’s Dictionary)• “Diphthong is a single sound produced when twovowels (one dominant in duration and stress, andone reduced in duration and stress), are pairedtogether in a sequence”.(Linda I. House: Introductory Phonetics and Phonology).
  3. 3.  There are eight diphthongs commonlyused in English. They are: /eɪ/, /aɪ/,/əʊ/, /aʊ/, /ɔɪ/, /ɪə/, /eə/, and /ʊə/.
  4. 4.  It is important to note that the close combination ofthe two vowels causes each of the vowels to lose itspure quality. For instance, the /ɪ/ in [aɪ] is quitedifferent from the /ɪ/ in [ɪt]. In phonological patterns, diphthongs are labeledusing a single “V” (not “V V”) because they actas one sound. Although diphthongs are considered as thecombination of two vowels, never put the lengthmarker (ː) when combine and transcribe them inphonetic symbols.
  5. 5. PRESENTATION FORMAT:Diphthongs:The First Vowels: The Second Vowels:Closeness: Frontness: Rounding: Closeness: Frontness: Rounding:[eɪ] open-mid front unrounded near-close near-front unrounded[aɪ] open back unrounded near-close near-front unrounded[əʊ] mid central unrounded near-close near-back rounded[aʊ] open back unrounded near-close near-back rounded[ɔɪ] open-mid back rounded near-close near-front unrounded[ɪə] near-close near-front unrounded mid central unrounded[eə] open-mid front unrounded mid central unrounded[ʊə] near-close near-back rounded mid central unrounded
  6. 6.  Because diphthongs are composed of vowels, theyare also described using the parameters ofcloseness (height), frontness, and rounding. The parameters are listed using vowel closeness(height), frontness, and rounding of the first voweland then followed by the second vowel.Thus, to make a sound parameter of /eɪ/ for example, we candescribe it as:“/eɪ/ is an open-mid, front, unrounded vowel moving tonear-close, near-front, unrounded vowel ”.
  7. 7. The Phonetic Transcriptions of theEnglish Diphthongs in Words:Diphthong: Word: Phonetic Transcription:[eɪ] pay /peɪ/[aɪ] five /faɪv/[əʊ] home /həʊm/[aʊ] now /naʊ/[ɔɪ] join /dʒɔɪn/[ɪə] near /nɪə(r)/[eə] hair /heə(r)/[ʊə] pure /pjʊə(r)/
  8. 8. /aI/ The /a/ is longer in duration and formsthe nucleus of the diphthong, while /ɪ/ isshorter and unstressed. Time /taɪm/ Fly /flaɪ/ Tie /taɪ/(1)
  9. 9. /aʊ/ The /a/ is longer in duration and formsthe nucleus of the diphthong, while the/ʊ/ is shorter and unstressed. Cow /kaʊ/ Loud /laʊd/ How /haʊ/(2)
  10. 10. /ɔɪ/ The /ɔ/ in longer in duration and formsthe nucleus of the diphthong, while the/ɪ/ is shorter and unstressed. Boy /bɔɪ/ Boil /bɔɪl/ Oil /ɔɪl/(3)
  11. 11. /eɪ/ The /e/ is longer in duration and formsthe nucleus of the diphthong, while the/ɪ/ is shorter and unstressed. Say /seɪ/ Brain /breɪn/ Game /geɪm/(4)
  12. 12. /eə/ The /e/ is longer in duration and formsthe nucleus of the diphthong, while the/ə/ is shorter and unstressed. There /ðeə(r)/ Bear /beə(r)/ Share /ʃeə(r)/(5)
  13. 13. /ɪə/ The /ɪ/ is longer in duration and formsthe nucleus of the diphthong, while /ə/ isshorter and unstressed. Here /hɪə(r)/ Dear /dɪə(r)/ Gear /gɪə(r)/(6)
  14. 14. /ʊə/ The /ʊ/ is longer in duration and formsthe nucleus of the diphthong, while /ə/ isshorter and unstressed. Pure /pjʊə(r)/ Purify /pjʊərɪfaɪ/ You’re /jʊə(r)/(7)
  15. 15. /əʊ/ The /ə/ is longer in duration and formsthe nucleus of the diphthong, while /ʊ/ isshorter and unstressed. Toast /təʊst/ Coke /kəʊk/ Globe /gləʊb/(8)
  16. 16.  Diphthongs can appear in the initial, medial, or finalposition of words, such as in:aisle /aIl/ → initial positionbear /beə(r)/ → medial positionbuy /baɪ/ → final positionTo label the combinations and the order of phonemes in asyllable or a word, the phonological patterns are used.For examples:aisle /aIl/ = VC (Vowel-Consonant)bear /beə(r)/ = CVC (Consonant-Vowel-Consonant)buy /baɪ/ = CV (Consonant-Vowel)
  17. 17. EXERCISE: Transcribe the following contrast intophonetics and label the phonological pattern(remember the diphthong counts as one V(vowel)).For example: night [nait] = CVC (n ai t)C V C
  18. 18. WORD:PHONETICTRANSCRIPTIONLABEL:WORD:PHONETICTRANSCRIPTIONLABEL:mice ……………… ? mouse ……………… ?bye ……………… ? bout ……………… ?high ……………… ? how ……………… ?file ……………… ? fowl ……………… ?find ……………… ? found ……………… ?type ……………… ? taste ……………… ?bite ……………… ? bound ……………… ?dine ……………… ? down ……………… ?nine ……………… ? noun ……………… ?ply ……………… ? plow ……………… ?
  19. 19. WORD:PHONETICTRANSCRIPTIONLABEL:WORD:PHONETICTRANSCRIPTIONLABEL:toy ……………… ? tie ……………… ?say ……………… ? brain ……………… ?boy ……………… ? buy ……………… ?voice ……………… ? vise ……………… ?point ……………… ? pain ……………… ?oil ……………… ? aisle ……………… ?poise ……………… ? pie ……………… ?coke ……………… ? globe ……………… ?dear ……………… ? hear ……………… ?
  20. 20. ANSWER:
  21. 21. WORD:PHONETICTRANSCRIPTIONLABEL:WORD:PHONETICTRANSCRIPTIONLABEL:mice [maɪs] CVC mouse [maʊs] CVCbye [baɪ] CV bout [baʊt] CVChigh [haɪ] CV how [haʊ] CVfile [faɪl] CVC fowl [faʊl] CVCfind [faɪnd] CVCC found [faʊnd] CVCCtype [taɪp] CVC taste [teɪst] CVCCbite [baɪt] CVC bound [baʊnd] CVCCdine [daɪn] CVC down [daʊn] CVCnine [naɪn] CVC noun [naʊn] CVCply [plaɪ] CCV plow [plaʊ] CCV
  22. 22. WORD:PHONETICTRANSCRIPTIONLABEL:WORD:PHONETICTRANSCRIPTIONLABEL:toy [tɔɪ] CV tie [taɪ] CVsay [seɪ] CV brain [breɪn] CCVCboy [bɔɪ] CV buy [baɪ] CVvoice [vɔɪs] CVC vise [vaɪs] CVCpoint [pɔɪnt] CVCC pain [peɪn] CVCoil [ɔɪl] VC aisle [aɪl] VCpoise [pɔɪz] CVC pie [paɪ] CVcoke [kəʊk] CVC globe [gləʊb] CCVCdear [dɪə(r)] CVC hear [hɪə(r)] CVC

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